13 entries under impassable topic. ×
| blocked | |
| closed | |
| closed at one end(expression, idiom, dark) | |
| concealed | |
| disguised | |
| leading nowhere(expression, dark) | |
| obscured | |
| obstructed | |
| secluded | |
| without egress(expression, dark) | |
| without exit(expression, dark) | |
| dead end(expression, dark) | |
| dim |
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| APA | Smart Define. (2015). unmarked thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unmarked/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unmarked thesaurus" https://smartdefine.org/unmarked/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unmarked thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unmarked/thesaurus/synonyms>. |
| MLA | Smart Define. "unmarked thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unmarked/thesaurus/synonyms> |